Use the MyUHS portal to schedule an appointment. Enter MyUHS schedule an Appointment By Phone Call the UHS Appointment Line Monday through Friday from 8 a.m. to 5 p.m. 512-471-4955 Unsure if you need an appointment? Call the Nurse Advice Line. (512) 475-6877 (NURS) UHS Visits and COVID-19 For patient and staff safety:.